Standard

NS-EN ISO 5983-2:2005

Nov 2005 Withdrawn

Note: This standard has a new edition: NS-EN ISO 5983-2:2009

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Abstract

ISO 5983-2:2005 specifies a method for the determination of nitrogen content of animal feeding stuffs according to the Kjeldahl method, and a method for the calculation of the crude protein content.It concerns a semi-micro rapid routine method using block-digestion, copper catalyst and steam distillation into boric acid.The method is applicable to the determination of greater than 0,5 % Kjeldahl nitrogen in animal feeding stuffs, pet foods and their raw materials. The method does not measure oxidized forms of nitrogen nor heterocyclic nitrogen compounds. The method does not distinguish between protein nitrogen and non-protein nitrogen.

Document information

Standard from SN
Published: 1 November 2005
Withdrawn: 1 September 2009
Edition: 1
Version: 1
Document type: NAT
ISBN:

ICS 65.120
National Committee CEN/TC 327

Product Relations

Replaced by: NS-EN ISO 5983-2:2009
Adopted from: EN ISO 5983-2:2005 , 0

Product life cycle

Current product

Withdrawn

NS-EN ISO 5983-2:2005
Replaced by

Published

NS-EN ISO 5983-2:2009

NS-EN ISO 5983-2:2005

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NS-EN ISO 5983-2:2009